diff --git a/package-lock.json b/package-lock.json
index 15de2157d..4f44b8353 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7057,6 +7057,33 @@
           "integrity": "sha1-uI+UqCzzi4eR1YBG6kAprYjKmdE=",
           "dev": true
         },
+        "lodash.template": {
+          "version": "3.6.2",
+          "resolved": "https://registry.npmjs.org/lodash.template/-/lodash.template-3.6.2.tgz",
+          "integrity": "sha1-+M3sxhaaJVvpCYrosMU9N4kx0U8=",
+          "dev": true,
+          "requires": {
+            "lodash._basecopy": "^3.0.0",
+            "lodash._basetostring": "^3.0.0",
+            "lodash._basevalues": "^3.0.0",
+            "lodash._isiterateecall": "^3.0.0",
+            "lodash._reinterpolate": "^3.0.0",
+            "lodash.escape": "^3.0.0",
+            "lodash.keys": "^3.0.0",
+            "lodash.restparam": "^3.0.0",
+            "lodash.templatesettings": "^3.0.0"
+          }
+        },
+        "lodash.templatesettings": {
+          "version": "3.1.1",
+          "resolved": "https://registry.npmjs.org/lodash.templatesettings/-/lodash.templatesettings-3.1.1.tgz",
+          "integrity": "sha1-+zB4RHU7Zrnxr6VOJix0UwfbqOU=",
+          "dev": true,
+          "requires": {
+            "lodash._reinterpolate": "^3.0.0",
+            "lodash.escape": "^3.0.0"
+          }
+        },
         "object-assign": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-3.0.0.tgz",
@@ -8355,30 +8382,22 @@
       "dev": true
     },
     "lodash.template": {
-      "version": "3.6.2",
-      "resolved": "https://registry.npmjs.org/lodash.template/-/lodash.template-3.6.2.tgz",
-      "integrity": "sha1-+M3sxhaaJVvpCYrosMU9N4kx0U8=",
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/lodash.template/-/lodash.template-4.5.0.tgz",
+      "integrity": "sha512-84vYFxIkmidUiFxidA/KjjH9pAycqW+h980j7Fuz5qxRtO9pgB7MDFTdys1N7A5mcucRiDyEq4fusljItR1T/A==",
       "dev": true,
       "requires": {
-        "lodash._basecopy": "^3.0.0",
-        "lodash._basetostring": "^3.0.0",
-        "lodash._basevalues": "^3.0.0",
-        "lodash._isiterateecall": "^3.0.0",
         "lodash._reinterpolate": "^3.0.0",
-        "lodash.escape": "^3.0.0",
-        "lodash.keys": "^3.0.0",
-        "lodash.restparam": "^3.0.0",
-        "lodash.templatesettings": "^3.0.0"
+        "lodash.templatesettings": "^4.0.0"
       }
     },
     "lodash.templatesettings": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/lodash.templatesettings/-/lodash.templatesettings-3.1.1.tgz",
-      "integrity": "sha1-+zB4RHU7Zrnxr6VOJix0UwfbqOU=",
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/lodash.templatesettings/-/lodash.templatesettings-4.2.0.tgz",
+      "integrity": "sha512-stgLz+i3Aa9mZgnjr/O+v9ruKZsPsndy7qPZOchbqk2cnTU1ZaldKK+v7m54WoKIyxiuMZTKT2H81F8BeAc3ZQ==",
       "dev": true,
       "requires": {
-        "lodash._reinterpolate": "^3.0.0",
-        "lodash.escape": "^3.0.0"
+        "lodash._reinterpolate": "^3.0.0"
       }
     },
     "log-symbols": {
@@ -8807,9 +8826,9 @@
       "integrity": "sha512-rUxjysqif/BZQH2yhd5Aaq7vXMSx9NdEsQcyA07uEzIvxgI7zIr33gGsh+RU0/XjmQpCW7RsVof1vlkvQVCK5A=="
     },
     "mathjax": {
-      "version": "2.7.2",
-      "resolved": "https://registry.npmjs.org/mathjax/-/mathjax-2.7.2.tgz",
-      "integrity": "sha512-Z9te7r3lsjZibugO1uKsdyqICKXVNr7M1Ll2GtjJu9cUKvOvwDqEp0YIjBD4H58NNuPg5DP5/AQ2Tu8K52Mqng=="
+      "version": "2.7.7",
+      "resolved": "https://registry.npmjs.org/mathjax/-/mathjax-2.7.7.tgz",
+      "integrity": "sha512-OOl0B2/0tSJAtAZarXnQuLDBLgTNRqiI9VqHTQzPsxf4okT2iIpDrvaklK9x2QEMD1sDj4yRn11Ygci41DxMAQ=="
     },
     "md5-file": {
       "version": "4.0.0",
diff --git a/package.json b/package.json
index 28d6cc054..e276ffee2 100644
--- a/package.json
+++ b/package.json
@@ -113,7 +113,7 @@
     "ionic-angular": "3.9.3",
     "ionicons": "3.0.0",
     "jszip": "3.1.5",
-    "mathjax": "2.7.2",
+    "mathjax": "2.7.7",
     "moment": "2.22.2",
     "nl.kingsquare.cordova.background-audio": "1.0.1",
     "phonegap-plugin-multidex": "1.0.0",
@@ -136,6 +136,7 @@
     "gulp-rename": "1.3.0",
     "gulp-slash": "1.1.3",
     "gulp-util": "3.0.8",
+    "lodash.template": "4.5.0",
     "node-loader": "0.6.0",
     "through": "2.3.8",
     "typescript": "2.6.2",